The future of Chicago sports teams ownership

Four people--three men and one woman--control more than an estimated $3 billion worth of Chicago's major sports teams. But nobody lives forever and those franchises will come under the control of the next generation, perhaps sooner than later -- or maybe some other order. To be sure, these powerful men have put steps in place to do everything they can to will their forturnes to the heirs they desire. Here, the Chicago Tribune breaks down who those people are and what comes next when they shuffle off their mortal coils. --By Melissa Harris and Jared Hopkins